Seiko Cal. 6312 - 781

The Seiko 6312-781 represents an important milestone in Seiko's 1988 lineup. Powered by the 6312 caliber with 22j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-7b895f84d9e3]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1988

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